221495120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:949

約数の個数: 160

約数和(自身を含む): 658457856

約数和(自身を除く): 436962736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 164, 176, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 560, 574, 616, 656, 770, 820, 877, 880, 902, 1148, 1232, 1435, 1540, 1640, 1754, 1804, 2255, 2296, 2870, 3080, 3157, 3280, 3508, 3608, 4385, 4510, 4592, 5740, 6139, 6160, 6314, 7016, 7216, 8770, 9020, 9647, 11480, 12278, 12628, 14032, 15785, 17540, 18040, 19294, 22960, 24556, 25256, 30695, 31570, 35080, 35957, 36080, 38588, 48235, 49112, 50512, 61390, 63140, 67529, 70160, 71914, 77176, 96470, 98224, 122780, 126280, 135058, 143828, 154352, 179785, 192940, 245560, 251699, 252560, 270116, 287656, 337645, 359570, 385880, 395527, 491120, 503398, 540232, 575312, 675290, 719140, 771760, 791054, 1006796, 1080464, 1258495, 1350580, 1438280, 1582108, 1977635, 2013592, 2516990, 2701160, 2768689, 2876560, 3164216, 3955270, 4027184, 5033980, 5402320, 5537378, 6328432, 7910540, 10067960, 11074756, 13843445, 15821080, 20135920, 22149512, 27686890, 31642160, 44299024, 55373780, 110747560, 221495120]

約数ペア:

[(1, 221495120), (2, 110747560), (4, 55373780), (5, 44299024), (7, 31642160), (8, 27686890), (10, 22149512), (11, 20135920), (14, 15821080), (16, 13843445), (20, 11074756), (22, 10067960), (28, 7910540), (35, 6328432), (40, 5537378), (41, 5402320), (44, 5033980), (55, 4027184), (56, 3955270), (70, 3164216), (77, 2876560), (80, 2768689), (82, 2701160), (88, 2516990), (110, 2013592), (112, 1977635), (140, 1582108), (154, 1438280), (164, 1350580), (176, 1258495), (205, 1080464), (220, 1006796), (280, 791054), (287, 771760), (308, 719140), (328, 675290), (385, 575312), (410, 540232), (440, 503398), (451, 491120), (560, 395527), (574, 385880), (616, 359570), (656, 337645), (770, 287656), (820, 270116), (877, 252560), (880, 251699), (902, 245560), (1148, 192940), (1232, 179785), (1435, 154352), (1540, 143828), (1640, 135058), (1754, 126280), (1804, 122780), (2255, 98224), (2296, 96470), (2870, 77176), (3080, 71914), (3157, 70160), (3280, 67529), (3508, 63140), (3608, 61390), (4385, 50512), (4510, 49112), (4592, 48235), (5740, 38588), (6139, 36080), (6160, 35957), (6314, 35080), (7016, 31570), (7216, 30695), (8770, 25256), (9020, 24556), (9647, 22960), (11480, 19294), (12278, 18040), (12628, 17540), (14032, 15785)]